Home / 4,947,663.60-7,420,458.60-2,425,129.20

Finding the Fourth Proportional to 4,947,663.60, 7,420,458.60 and 2,425,129.20

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Solution

The fourth proportional to 4,947,663.60, 7,420,458.60 and 2,425,129.20 is: 3,637,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947,663.60 : 7,420,458.60 = 2,425,129.20 : x
  2. Step 2: Convert to fraction form
    4,947,663.60/7,420,458.60 = 2,425,129.20/x
  3. Step 3: Cross multiply
    4,947,663.60x = 7,420,458.60 × 2,425,129.20
  4. Step 4: Simplify right side
    4,947,663.60x = 17,995,570,828,251.12
  5. Step 5: Solve for x
    x = 17,995,570,828,251.12/4,947,663.60
  6. Step 6: Final answer
    x = 3,637,185.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.